Sims played five seasons for Baylor and was one of the most productive tight ends for the Bears in their history.[3][4][5] As a true freshman in 2018, he redshirted while playing three games, and the following year, he made an appearance in eight games.[4][6] In 2020, Sims became a starter for Baylor and posted 14 receptions for 164 yards and a team-high (tied) three touchdowns.[6] When he scored for the first time, it was the first touchdown by a player at his position for the team since 2017.[7]
In 2021, Sims had 31 catches for 361 yards and nine touchdowns; his nine scores were the most for a tight end in Baylor history.[8][9] He was named honorable mention all-conference for his performance.[8] He returned for a final season in 2022 and tallied 31 receptions for 255 yards, being named honorable mention all-conference and second-team All-Texas.[10] He finished his collegiate career as Baylor's all-time leader in touchdowns by a tight end (12), additionally having the second-most receptions (78) and the fourth-most yards (785).[11] He was invited to the NFLPA Collegiate Bowl after his final year and scored a touchdown in the game.[12]
After going unselected in the 2023 NFL draft, Sims was signed by the Minnesota Vikings as an undrafted free agent.[14] In preseason, he caught three passes for 53 yards with a long of 33.[8] He was waived at the final roster cuts, on August 29, 2023.[15]
